Steel Fire Door with Galvanized Frame – UL-Certified Hollow Metal Emergency Exit Door for Commercial Buildings

Steel Fire Door with Galvanized Frame 鈥?UL-Certified Hollow Metal Emergency Exit Door for Commercial Buildings

A complete UL-certified fire door assembly including both the hollow metal door slab and the galvanized steel frame. Designed for commercial emergency exit and corridor applications, this 90-minute rated assembly meets UL 10C positive-pressure requirements and ships as a pre-matched unit for faster installation.

Key Features

• Complete Assembly: Door slab + galvanized steel frame + hardware preparation 鈥?all UL listed as a matched assembly
• 90-Minute Fire Rating: UL 10C / NFPA 252 rated for 90-minute positive pressure fire resistance
• Hollow Metal Construction: 16-gauge or 18-gauge steel face sheets with honeycomb or mineral core
• Galvanized Frame: 14-gauge or 16-gauge G90 galvanized steel frame with factory-welded corners
• Emergency Exit Prep: Standard preparation for rim-type panic device, cylinder lockset, and closer

Technical Specifications

• Door Material: 18-gauge (1.2mm) or 16-gauge (1.5mm) steel face sheets
• Frame Material: 16-gauge (1.5mm) G90 galvanized steel, 2″ or 4-3/4″ face
• Core: Steel honeycomb or mineral fiber core depending on fire rating
• Fire Rating: 90 minutes (UL 10C / UBC 7-2 / NFPA 252)
• Sizes: Standard up to 4′ x 8′ single, 8′ x 8′ double (custom sizes available)

Applications

• Commercial building emergency exit corridors
• Retail store back-of-house and stockroom doors
• School and university building egress paths
• Office building stairwell enclosures

Pricing: Starting at USD (FOB Guangzhou)
Lead Time: 15-20 business days for standard sizes
Includes: Door slab, galvanized steel frame, intumescent seals, certification docs, installation guide